module main

import time
import os
import cli {Command, Flag}

fn get_timestamp() string {
	now := time.now()
	return now.format_rfc3339()
}

fn main() {
	mut vbackup_cmd := Command {
		name: 'vbackup'
		description: 'vbackup is a simple backup tool for Linux, relying on tar. It sprinkles some management logic on top and is designed to be used by cron or other scheduling tools.'
		version: '0.0.1'
	}

	vbackup_cmd.add_flag(Flag {
		flag: .string
		name: 'source'
		description: 'The absolute path to the folder you want to recursivly backup.'
	})

	vbackup_cmd.add_flag(Flag {
		flag: .string
		name: 'destination'
		description: 'The absolute path to the folder where the archives should be stored.'
	})

	vbackup_cmd.add_flag(Flag {
		flag: .int
		name: 'keep'
		description: 'The number of archives, which should be kept in the destination folder'
	})

	vbackup_cmd.add_flag(Flag {
		flag: .bool
		name: 'incremental'
		description: 'Should the newest backup be incremental to the last backup if on exists'
	})

	vbackup_cmd.add_flag(Flag {
		flag: .bool
		name: 'dry-run'
		description: 'Should the programm only say what it will be doing, without making any changes'
	})

	vbackup_cmd.add_flag(Flag {
		flag: .bool
		name: 'verbose'
		description: 'Should the program give you extended output about its operations'
	})

	vbackup_cmd.add_flag(Flag {
		flag: .bool
		name: 'compression'
		description: 'Should the created backup be have compression'
	})

	println('Welcome to vbackup!')
	println('Current timestamp: ' + get_timestamp())

	if !os.exists('/usr/bin/tar') || !os.exists('/bin/tar') {
		println('We could not find tar on your system, please make sure its available under /bin or /usr/bin')
		exit(127)
	} else {
		println('tar is available')
	}

	println('--- --- --- ---')
	vbackup_cmd.parse(os.args)
}